335544320

Appears in sequences

• Expansion of (1+x)/(1-4*x).at n=14A003947
• a(n) = 5 * 2^n.at n=26A020714
• a(n) = n! reduced mod 2^n.at n=29A068496
• Expansion of g.f.: (1+x^2)/(1-2*x).at n=28A084215
• a(0)=1, a(1)=5, a(n+2)=4a(n), n>0.at n=27A084568
• a(n) = Sum_{k=0..n} binomial(n+(-1)^k, k).at n=27A087940
• Number of subsets of {1,.., n} containing exactly one square.at n=30A089889
• Number of subsets of {1,.., n} containing exactly two squares.at n=29A089890
• Expansion of 4*x^4*(2 + x)/(1 - 2*x + 2*x^2 - 4*x^4 + 8*x^5 - 8*x^6).at n=53A100212
• Expansion of (1+x)^2/(1-4*x^2).at n=28A104721
• Triangle, read by rows, where T(n,k) = 2^[n*(n-1) - k*(k-1)] * binomial(n,k) for n>=k>=0.at n=24A134484
• Binomial transform of A010685.at n=27A146523
• a(0)=8, a(n) = 2*a(n-1) + 2^(n-1) for n > 0.at n=24A159696
• Index of first multiple of n-th prime in A005179.at n=22A161177
• Number of binary strings of length n with equal numbers of 001 and 100 substrings.at n=29A164143
• Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^15 = I.at n=14A167650
• Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^16 = I.at n=14A167896
• Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^17 = I.at n=14A168682
• Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^18 = I.at n=14A168730
• Number of reduced words of length n in Coxeter group on 5 generators S_i with relations (S_i)^2 = (S_i S_j)^19 = I.at n=14A168778